The Jumping Spiders From Dali, Yunnan, China (Araneae: Salticidae) Author Peng, Xian-Jin Author Li, Shuqiang Author Yang, Zi-Zhong text Raffles Bulletin of Zoology 2004 52 2 413 417 journal article 10.5281/zenodo.13244117 2345-7600 13244117 Langona biangula , new species ( Figs. 1 A-E) Material examined. – Holotype – female ( IZCAS ), campus of Dali College , Dali City , Yunnan Province , 18 Jan.2001 , coll. Z. X. Li. Diagnosis. – The new species is allied to L. maculata , new species , but differs in: 1. the depression in promargin of epigynal hood much deeper, which makes the hood look like bicorn-shaped; 2. epigynum strongly sclerotized, vulva invisible before maceration in ventral view versus visible in L. maculata ; 3. copulatory ducts shorter and folded simpler; 4. markings on abdomen. Fig. 1. Langona biangula , new species . A. Body of female; B. Epigynum; C. Vulva; D. Spermatheca and canal, dorsal; E. Cheliceral teeth. Scale bars = 1.00 (A), 0.10 (B-C). Etymology. – The specific name is derived from the form of epigynal hood. Description. – Female ( holotype ): Measurements: TL 7.60. CL 3.00, CW 2.30, AL 3.80, AW 3.00, AER 1.60, PER 1.60, EFL 1.00, AME 0. 43, ALE 0.27, PLE 0.30, CLYH 0.20. Leg I 4.10 (1.50, 1.70, 0.50, 0.40); II 4.00 (1.50, 1.60, 0.50, 0.40); III 5.40 (1.80, 1.90, 1.00, 0.70); IV 5.60 (1.80, 1.90, 1.20, 0.70); leg formula 1, 4, 3, 2. 0. Carapace ( Fig. 1A ) dark grayish black, clothed in white and black hairs; anterior portion of ocular area with bar-shaped hairs. Clypeus only with sparse brown hairs, no long white hairs. Legs dark brown, with distinct black annuli and lightly colored oval patches; spination: tibiae I & II v 1-1-2, metatarsus I without lateral spines, metatarsus II pr 1-1ap, rt 0-0. Abdomen grayish black, densely clothed in grey and black hairs, median area with three pairs lightly colored patches, lateral areas scattered with many black dots. Ventral side light brown, scattered with irregular black patches. Male. – Unknown. Distribution. – China ( Yunnan ).